Abstract

A solid lithium niobate Fabry–Perot étalon interferometer has been investigated with regard to its potential to perform full-field vibrometry. Predictions of theoretical system sensitivity were made based on signal-to-noise calculations. Optimized equations governing the étalon behavior were developed and examined in light of experimental results. The ability of the étalon system to accomplish multiple-(two-)-point simultaneous detection and full-field scanned vibrometry was demonstrated experimentally as well. The possibility of future work to obtain a snapshot image of an ultrasonic wave front is discussed.

© 1992 Optical Society of America

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